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Precision Extrusion PET Strap Making Machine Mastering Material

Precision Extrusion PET Strap Making Machine Mastering Material

Precision Extrusion PET Strap Making Machine Mastering Material
Precision Extrusion PET Strap Making Machine Mastering Material
Categories PET Strap Production Line
Brand Name: CHUQI
Place of Origin: CHINA
MOQ: 1SET
Payment Terms: T/T
Supply Ability: 100SETS
Delivery Time: 60DAYS
Packaging Details: WOODEN BOX
Core Challenge: Hydrolysis-Prone & Narrow Processing Window
Drying Core: Honeycomb Rotor Dehumidifying Dryer
Temperature Control Accuracy: ±1°C
Key Metric: Moisture Content ≤50ppm
Melt Uniformity: High
Process Foundation: Lays Base for High Performance
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Jiaxing Chuanqi Machinery Equipment Co., Ltd.
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Precision Extrusion PET Strap Making Machine Mastering Material

Precision PET Extrusion: Mastering the Material
Product Introduction
This production line is engineered specifically to overcome the sensitive processing characteristics of PET material. PET is prone to hydrolysis, and its melt viscosity is extremely sensitive to temperature variations. Our integrated deep dehumidification drying system and high-precision extrusion temperature control module ensure ultra-low raw material moisture content (≤50ppm) and uniform, stable melt temperature (±1°C). This creates the ideal processing environment for PET, forming the foundation for excellent product mechanical properties, high clarity, and stable output rates—enabling true mastery of PET's processing window.
Main Specifications
  • Core Challenge Response: Deep dehumidification drying system addresses PET's hydrolysis tendency with high-precision, multi-zone independent temperature control
  • Drying System: Honeycomb rotor dehumidifying dryer with stable dew point ≤ -40°C and adjustable drying temperature
  • Extrusion System: PET-specific barrier screw for optimized mixing and shear; cast aluminum heaters with PID intelligent temperature control
  • Melt Handling: Optional melt pump stabilizes extrusion pressure and flow, eliminates screw pulsation, and improves thickness uniformity
  • Quality Control: Dual precision control from raw material drying to melt temperature processing
Technical Parameters
Parameter CategoryParameter ItemSpecification / Description
Drying SystemDehumidification MethodHoneycomb Rotor Dehumidification
Dew Point Temperature≤ -40°C
Drying Temperature Range150 - 180 °C
Material Moisture Content (after treatment)≤ 50 ppm
Extrusion SystemScrew TypeBarrier Type, PET-specific
Temperature Control ZonesBarrel 5 zones + Die 2 zones
Temperature Control Accuracy±1.0 °C
Heating MethodCast Aluminum Heaters
Melt QualityPressure Fluctuation (with optional melt pump)≤ ±0.5%
Melt Temperature UniformityFull-process temperature difference ≤ 4 °C
Frequently Asked Questions
Q1: Why is drying so emphasized for PET production? What are the consequences of excessive moisture?
PET is a polyester material highly susceptible to hydrolysis reactions in the molten state. Excessive moisture leads to molecular chain scission, causing a significant drop in the product's intrinsic viscosity (IV). This manifests as severely degraded tensile strength and toughness, brittle products, and even the appearance of numerous bubbles during production, making normal stretching and winding impossible. Therefore, deep drying is the first and most critical barrier to successful PET processing.
Q2: What does a temperature control accuracy of ±1°C mean in actual production?
PET's melt viscosity is very sensitive to temperature changes. A fluctuation of ±1°C can cause viscosity variations, affecting extrusion stability, sheet thickness uniformity, and the stability of subsequent stretching processes. Precise temperature control ensures consistent melt flow, which is the key technical guarantee for obtaining products with high dimensional accuracy, reducing scrap rates, and achieving continuous high-speed production.
Product Tags:

PET extrusion production line

  

precision PET strap machine

  

Precision plastic strap making machine

  
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Precision Extrusion PET Strap Making Machine Mastering Material

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